Sewer sampling, the authors say, could be expanded to track other infectious diseases such as H5N1 avian flu or mpox or to detect unexpected pathogens.
Plaque growth can lead to a higher risk of heart attack, stroke, and other life-threatening cardiovascular events for as long as 1 year.
Post-exertional malaise, or exercise intolerance, was seen in 36% of those with long COVID.
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The risk ranged from 6.8% for people with tobacco use disorder to 7.8% for those with cannabis use disorder.
A US Department of Health and Human Services (HHS) analysis of Medicare data and county vaccination rates indicates that COVID-19 vaccinations administered from January until May 2021 were estimated to reduce COVID-19 infections by 265,000 and deaths by 39,000 among Medicare beneficiaries.
The vaccine is 90% effective against hospitalization caused by all variants, including Delta, for at least 6 months.
Though cases declined overall, the number of pediatric cases remains at high levels that have persisted since the school year started.
Though the continent lags well behind the rest of the world due to persistent supply inequity, it is making modest progress.
COVID-19 variants of concern (VOCs), especially the Delta (B1617.2) variant, are more virulent than the wild type, according to an Ontario-based study published in CMAJ yesterday. The cohort included 212,326 cases of non-VOCs (22.4%) and VOCs with the N501Y mutation (76.7%), such as Alpha (B117), Beta (B1351), Gamma (P1), and Delta.
Also, the persistence of depressive symptoms for more than 1 year was greater than after the Sep 11 attacks.
Though the Delta surge appears to be ebbing, several states are still experiencing overcrowded hospitals.
In other global developments, New Zealand announces a plan to loosen restrictions as Delta cases pop up in new parts of Australia.
Reinfection from SARS-CoV-2 under endemic conditions will most likely occur at a median of 16 months, according to a modeling study published late last week in The Lancet Microbe.
